| All Patents in class 123/51B |
Patents 1 -
15
of 26
      |
| Number | Date | Patentee | Title | Type |
| 213,539 | Mar. 25, 1879 | W. Hees, W. Wittig | Gas-Engine | gas and gasoline engines |
| 270,203 | Jan. 09, 1883 | J. Charter | Gas Engine | gas and gasoline engines |
| 292,894 | Feb. 05, 1884 | J. Charter | Gas Engine | gas and gasoline engines |
| 315,808 | Apr. 14, 1885 | T. McDonough | Gas Engine | gas and gasoline engines |
| 335,564 | Feb. 09, 1886 | J. Charter | Gas Engine | gas and gasoline engines |
| 432,638 | Jul. 22, 1890 | G. McGhee | Gas Motor Engine | |
| 441,028 | Nov. 18, 1890 | W.S. Sharpneck | Gas Engine | gas and gasoline engines |
| 461,802 | Oct. 20, 1891 | P.C. Sainsevain | Gas or Gasoline Vapor Engine | gas and gasoline engines |
| 497,239 | May 09, 1893 | W.W. Grant | Gas Engine | gas and gasoline engines |
| 508,833 | Nov. 14, 1893 | H. Junkers, W. Von Oechelhaeurser | Gas Engine | gas and gasoline engines |
| 549,626 | Nov. 12, 1895 | F. Burger | Balanced Gas Engine | gas and gasoline engines |
| 567,954 | Sep. 22, 1896 | C.D. Anderson | Gas Engine | internal combustion engines |
| 572,209 | Dec. 01, 1896 | E.E. Ludl | Explosive Engine | |
| 595,497 | Dec. 14, 1897 | W. Rowbotham | Oil, Gas or Like Engine | oil engines |
| 596,613 | Jan. 04, 1898 | W. Von Oechelhaeuser | High Pressure Gas Engine | gas and gasoline engines |
